out of the window

out of the window

Discarded, tossed out. This term is often used in the phrase go out the window, as in For the town planners past experience seems to have gone out the window. It alludes to unwanted items being hurled out of the window. [First half of 1900s]
See also: of, out, window
References in classic literature ?
Chuck that cheese slicer out of the window," he said, "and tell 'em inside that Mr.